122211311031 has 64 divisors (see below), whose sum is σ = 189531686400. Its totient is φ = 77728896000.

The previous prime is 122211311021. The next prime is 122211311071. The reversal of 122211311031 is 130113112221.

It is not a de Polignac number, because 122211311031 - 2⁹ = 122211310519 is a prime.

It is a super-2 number, since 2×122211311031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122211310995 and 122211311013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211311021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79823736 + ... + 79825266.

It is an arithmetic number, because the mean of its divisors is an integer number (2961432600).

Almost surely, 2^122211311031 is an apocalyptic number.

122211311031 is a deficient number, since it is larger than the sum of its proper divisors (67320375369).

122211311031 is a wasteful number, since it uses less digits than its factorization.

122211311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 122211311031 its reverse (130113112221), we get a palindrome (252324423252).

The spelling of 122211311031 in words is "one hundred twenty-two billion, two hundred eleven million, three hundred eleven thousand, thirty-one".